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प्रश्न
Classify the following as elements and compounds.
Water, Common salt, Sugar, Carbon dioxide, Iodine and Lithium
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उत्तर
| Water | Compounds |
| Common salt | Compounds |
| Sugar | Compounds |
| Carbon dioxide | Compounds |
| Iodine | Elements |
| Iodine and Lithium | Elements |
APPEARS IN
संबंधित प्रश्न
Match the columns.
| column A | column B |
|
1. to separate grain from chaff |
a. filtration |
| 2. to saparate sawdust from water | b. sedimentation and deeantation |
| 3. to separate iodine from sodium chloride | c. winnowing |
| 4. to separate iron fillings from sand | d.sublimation |
|
5. it is used to separate sand and water |
e maganetic separation |
|
|
f .handpicking |
Name: a Liquid Metal
Define Elements.
Give two examples of Non-metals.
Complete the statement given below by filling in the blanks with the correct words.
Atom contains ________ , with positively charged _____.
Write the names of elements from the following symbol:
Cu
Write an answer to the following question in your own words.
Which elements (metals and non-metals), compounds and mixtures do we use in our day-to-day life?
Select the correct answer from A, B, C, D & E for the statement given below :
A diatomic molecule.
Give two example of elements.
Name the process associated with the following
A fine beam of light entering through a small hole in a dark room illuminates the particles in its paths.
